Electrophotography – Image formation – Development
Reexamination Certificate
2007-01-30
2007-01-30
Lee, Susan (Department: 2852)
Electrophotography
Image formation
Development
C399S359000
Reexamination Certificate
active
10527983
ABSTRACT:
Liquid toner which remains on the surface of a photosensitive drum2after transfer of a toner image to an intermediate transfer member1is collected in a collection pot6a.The collected liquid toner is led to a carrier pot20,and is stored there. In response to an instruction, the stored liquid toner is fed to a toner concentration adjustment apparatus10.Liquid toner which remains on the surface of a development roller3after supply of liquid toner from the development roller3to the photosensitive drum2is collected in a collection pot6b.The collected liquid toner is fed directly to the toner concentration adjustment apparatus10.Liquid toner having undergone concentration adjustment in the toner concentration adjustment apparatus10is fed to a supply pot7,from which the liquid toner is supplied to the development roller3via a supply roller4,whereby the liquid toner is used for development of electrostatic latent images. The toner concentration adjustment apparatus10includes a carrier extraction mechanism, a toner replenishment mechanism, a toner concentration detection mechanism, etc., which are incorporated in the concentration adjustment pot.
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patent: WO 02/093269 (2002-11-01), None
Supplementary European Search Report, dated Mar. 31, 2006.
Lee Susan
PFU Limited
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